1623547045 has 16 divisors (see below), whose sum is σ = 1975080960. Its totient is φ = 1281075264.

The previous prime is 1623547033. The next prime is 1623547067. The reversal of 1623547045 is 5407453261.

1623547045 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1623547045 - 2¹⁹ = 1623022757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1623546995 and 1623547013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102466 + ... + 117244.

It is an arithmetic number, because the mean of its divisors is an integer number (123442560).

Almost surely, 2^1623547045 is an apocalyptic number.

It is an amenable number.

1623547045 is a deficient number, since it is larger than the sum of its proper divisors (351533915).

1623547045 is a wasteful number, since it uses less digits than its factorization.

1623547045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15084.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 1623547045 is about 40293.2630224955. The cubic root of 1623547045 is about 1175.3168410683.

The spelling of 1623547045 in words is "one billion, six hundred twenty-three million, five hundred forty-seven thousand, forty-five".